[BUG]: `nlp-sentencize` wrongly splits sentences with multiple punctuation marks

[Planeshifter]

Reported by user on our main repository: stdlib-js/stdlib#3013

Time estimate without AI: 1h.
Time estimate with AI: 45min.

[Planeshifter]

PR-URL: stdlib-js/stdlib#5380

Loom recording: https://www.loom.com/share/21961ff3db7e45a39b364c0e8c41c3b0?sid=32b46a09-c132-4c33-8c65-2f285c2ff655

Time to completion: 24min.

Time spent after initial PR: 0min.

[Planeshifter]

Notes: Reproduced the problem locally and added new failing test cases. Afterwards, I did some old-school debugging via console.log and quickly updated the implementation to return the expected results.